Multiple choice

Which of the following copper ores is responsible for 80% of the world's copper production?

  1. Copper glance

  2. Cuprite

  3. Malachite

  4. Chalcanthite

  5. Chalcopyrite
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

About 80% of the world's primary copper comes from ores in which copper is present as a sulphide mineral, i.e. chalcopyrite (CuFeS2).

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